2654620

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{401}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 5605488

約数和(自身を除く): 2950868

約数列:

[1, 2, 4, 5, 10, 20, 331, 401, 662, 802, 1324, 1604, 1655, 2005, 3310, 4010, 6620, 8020, 132731, 265462, 530924, 663655, 1327310, 2654620]

約数ペア:

[(1, 2654620), (2, 1327310), (4, 663655), (5, 530924), (10, 265462), (20, 132731), (331, 8020), (401, 6620), (662, 4010), (802, 3310), (1324, 2005), (1604, 1655)]